>> schieffer: today on "face the nation," in libya, u.s. british and french warplanes pounded key targets overnight. and in japan, at least 20,000 are now dead or missing in the earthquake. we'll hear from our correspondents in both places, plus the chairman of the joint chiefs of staff, admiral mike mullen; richard lugar, ranking republican on the senate foreign relations committee, and massachusetts congressman ed markey, a voice on the environment. it's all ahead on "face the nation." captioning sponsored by cbs "face the nation" with cbs news chief washington correspondent bob schieffer. and now, from washington, bob schieffer. >> schieffer: good morning again. here is the news from overnight on these two extraordinary stories. in libya, moammar qaddafi says every person in the country will be armed, and tells his people to prepare for a long war. u.s., french, and british planes are bombing key military targets in libya after u.s. and british ships fired more than 100 missiles at anti-aircraft sites yesterday. in japan, radiation has showed up in tap water as far away as toky